paulcowdell, 
The #Folklore Society still have tickets available for this online talk tomorrow:
Ribbons, Flowers and Locks: a Review of some Contemporary Practices
George Monger looks at ribbons, floral tributes, love-locks and other customary practices which came to prominence in the 20th century.
Details and tickets available here:
https://www.eventbrite.co.uk/e/ribbons-flowers-and-locks-a-review-of-some-contemporary-practices-tickets-732882570497